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  4. Secondary dispersion-based reactive pressure-sensitive adhesives with improved tack
 
Zitierlink DOI
10.26092/elib/2324
Verlagslink DOI
10.1002/app.46315

Secondary dispersion-based reactive pressure-sensitive adhesives with improved tack

Veröffentlichungsdatum
2018-01-14
Autoren
Kutlug, Özgür  
Reck, Stephan  
Hartwig, Andreas  
Zusammenfassung
Reactive pressure-sensitive adhesives (PSA) have to meet the requirements for sufficient tack prior to crosslinking but also high shear after crosslinking. This article examines the use of secondary acrylic dispersions with reactive groups and epoxy resin dispersions for such PSA. Long-term stable secondary PSA dispersions with high tack after film formation were obtained. Tack was dependent on the amount of carboxylic acid groups in the polymer as well as the base used for partial neutralization of the solvent-borne copolymers. Reactive PSA were prepared by mixing a secondary dispersion with high amounts of carboxylic acid groups with an epoxy resin dispersion providing no tack. Variation of mixing ratio gave reactive PSA with sufficient tack, peel, and shear prior to crosslinking. Crosslinking of these reactive PSA at elevated temperatures led to high shear which was limited by incomplete molecular mixing of both phases. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46315.
Schlagwörter
crosslinking

; 

emulsion polymerization

; 

pressure sensitive adhesives

; 

radical polymerization

; 

resins
Verlag
Wiley
Institution
Universität Bremen  
Fachbereich
Fachbereich 02: Biologie/Chemie (FB 02)  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
Journal of Applied Polymer Science  
Zweitveröffentlichung
Ja
Dokumentversion
Postprint
Lizenz
Alle Rechte vorbehalten
Sprache
Englisch
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